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Sinec Ins CVE-2026-46748

| EUVDEUVD-2026-35385 HIGH
Execution with Unnecessary Privileges (CWE-250)
2026-06-09 siemens GHSA-c23g-cgv4-p67j
8.7
CVSS 4.0 · Vendor: siemens
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Severity by source

Vendor (siemens) PRIMARY
8.7 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from Vendor (siemens) · only source for this CVE.

CVSS VectorVendor: siemens

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Jun 09, 2026 - 10:34 vuln.today
CVSS changed
Jun 09, 2026 - 10:22 NVD
8.8 (HIGH) 8.7 (HIGH)

DescriptionCVE.org

A vulnerability has been identified in SINEC INS (All versions < V1.0 SP2 Update 6). The affected system includes a binary that is configured with the cap_dac_override capability. This capability allows the process to bypass file system permission checks, resulting in unrestricted file system access. This could allow a local attacker to escalate privileges leading to arbitrary file modification and gaining root privileges on the system.

AnalysisAI

Local privilege escalation in Siemens SINEC INS (versions prior to V1.0 SP2 Update 6) stems from a binary shipped with the Linux cap_dac_override capability, which bypasses filesystem discretionary access control checks. An authenticated local attacker can leverage this overly broad capability to read or modify any file on the system, ultimately obtaining root. No public exploit identified at time of analysis, and the issue is not listed in CISA KEV.

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CVE-2026-46748 vulnerability details – vuln.today

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